typescript.rs

   1use anyhow::{Context as _, Result};
   2use async_compression::futures::bufread::GzipDecoder;
   3use async_tar::Archive;
   4use async_trait::async_trait;
   5use chrono::{DateTime, Local};
   6use collections::HashMap;
   7use futures::future::join_all;
   8use gpui::{App, AppContext, AsyncApp, Task};
   9use http_client::github::{AssetKind, GitHubLspBinaryVersion, build_asset_url};
  10use language::{
  11    ContextLocation, ContextProvider, File, LanguageName, LanguageToolchainStore, LspAdapter,
  12    LspAdapterDelegate,
  13};
  14use lsp::{CodeActionKind, LanguageServerBinary, LanguageServerName};
  15use node_runtime::NodeRuntime;
  16use project::{Fs, lsp_store::language_server_settings};
  17use serde_json::{Value, json};
  18use smol::{fs, io::BufReader, lock::RwLock, stream::StreamExt};
  19use std::{
  20    any::Any,
  21    borrow::Cow,
  22    ffi::OsString,
  23    path::{Path, PathBuf},
  24    sync::Arc,
  25};
  26use task::{TaskTemplate, TaskTemplates, VariableName};
  27use util::archive::extract_zip;
  28use util::merge_json_value_into;
  29use util::{ResultExt, fs::remove_matching, maybe};
  30
  31use crate::{PackageJson, PackageJsonData};
  32
  33#[derive(Debug)]
  34pub(crate) struct TypeScriptContextProvider {
  35    last_package_json: PackageJsonContents,
  36}
  37
  38const TYPESCRIPT_RUNNER_VARIABLE: VariableName =
  39    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_RUNNER"));
  40
  41const TYPESCRIPT_JEST_TEST_NAME_VARIABLE: VariableName =
  42    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_JEST_TEST_NAME"));
  43
  44const TYPESCRIPT_VITEST_TEST_NAME_VARIABLE: VariableName =
  45    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_VITEST_TEST_NAME"));
  46
  47const TYPESCRIPT_JEST_PACKAGE_PATH_VARIABLE: VariableName =
  48    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_JEST_PACKAGE_PATH"));
  49
  50const TYPESCRIPT_MOCHA_PACKAGE_PATH_VARIABLE: VariableName =
  51    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_MOCHA_PACKAGE_PATH"));
  52
  53const TYPESCRIPT_VITEST_PACKAGE_PATH_VARIABLE: VariableName =
  54    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_VITEST_PACKAGE_PATH"));
  55
  56const TYPESCRIPT_JASMINE_PACKAGE_PATH_VARIABLE: VariableName =
  57    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_JASMINE_PACKAGE_PATH"));
  58
  59#[derive(Clone, Debug, Default)]
  60struct PackageJsonContents(Arc<RwLock<HashMap<PathBuf, PackageJson>>>);
  61
  62impl PackageJsonData {
  63    fn fill_task_templates(&self, task_templates: &mut TaskTemplates) {
  64        if self.jest_package_path.is_some() {
  65            task_templates.0.push(TaskTemplate {
  66                label: "jest file test".to_owned(),
  67                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
  68                args: vec![
  69                    "exec".to_owned(),
  70                    "--".to_owned(),
  71                    "jest".to_owned(),
  72                    "--runInBand".to_owned(),
  73                    VariableName::File.template_value(),
  74                ],
  75                cwd: Some(TYPESCRIPT_JEST_PACKAGE_PATH_VARIABLE.template_value()),
  76                ..TaskTemplate::default()
  77            });
  78            task_templates.0.push(TaskTemplate {
  79                label: format!("jest test {}", VariableName::Symbol.template_value()),
  80                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
  81                args: vec![
  82                    "exec".to_owned(),
  83                    "--".to_owned(),
  84                    "jest".to_owned(),
  85                    "--runInBand".to_owned(),
  86                    "--testNamePattern".to_owned(),
  87                    format!(
  88                        "\"{}\"",
  89                        TYPESCRIPT_JEST_TEST_NAME_VARIABLE.template_value()
  90                    ),
  91                    VariableName::File.template_value(),
  92                ],
  93                tags: vec![
  94                    "ts-test".to_owned(),
  95                    "js-test".to_owned(),
  96                    "tsx-test".to_owned(),
  97                ],
  98                cwd: Some(TYPESCRIPT_JEST_PACKAGE_PATH_VARIABLE.template_value()),
  99                ..TaskTemplate::default()
 100            });
 101        }
 102
 103        if self.vitest_package_path.is_some() {
 104            task_templates.0.push(TaskTemplate {
 105                label: format!("{} file test", "vitest".to_owned()),
 106                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 107                args: vec![
 108                    "exec".to_owned(),
 109                    "--".to_owned(),
 110                    "vitest".to_owned(),
 111                    "run".to_owned(),
 112                    "--poolOptions.forks.minForks=0".to_owned(),
 113                    "--poolOptions.forks.maxForks=1".to_owned(),
 114                    VariableName::File.template_value(),
 115                ],
 116                cwd: Some(TYPESCRIPT_VITEST_PACKAGE_PATH_VARIABLE.template_value()),
 117                ..TaskTemplate::default()
 118            });
 119            task_templates.0.push(TaskTemplate {
 120                label: format!(
 121                    "{} test {}",
 122                    "vitest".to_owned(),
 123                    VariableName::Symbol.template_value(),
 124                ),
 125                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 126                args: vec![
 127                    "exec".to_owned(),
 128                    "--".to_owned(),
 129                    "vitest".to_owned(),
 130                    "run".to_owned(),
 131                    "--poolOptions.forks.minForks=0".to_owned(),
 132                    "--poolOptions.forks.maxForks=1".to_owned(),
 133                    "--testNamePattern".to_owned(),
 134                    format!(
 135                        "\"{}\"",
 136                        TYPESCRIPT_VITEST_TEST_NAME_VARIABLE.template_value()
 137                    ),
 138                    VariableName::File.template_value(),
 139                ],
 140                tags: vec![
 141                    "ts-test".to_owned(),
 142                    "js-test".to_owned(),
 143                    "tsx-test".to_owned(),
 144                ],
 145                cwd: Some(TYPESCRIPT_VITEST_PACKAGE_PATH_VARIABLE.template_value()),
 146                ..TaskTemplate::default()
 147            });
 148        }
 149
 150        if self.mocha_package_path.is_some() {
 151            task_templates.0.push(TaskTemplate {
 152                label: format!("{} file test", "mocha".to_owned()),
 153                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 154                args: vec![
 155                    "exec".to_owned(),
 156                    "--".to_owned(),
 157                    "mocha".to_owned(),
 158                    VariableName::File.template_value(),
 159                ],
 160                cwd: Some(TYPESCRIPT_MOCHA_PACKAGE_PATH_VARIABLE.template_value()),
 161                ..TaskTemplate::default()
 162            });
 163            task_templates.0.push(TaskTemplate {
 164                label: format!(
 165                    "{} test {}",
 166                    "mocha".to_owned(),
 167                    VariableName::Symbol.template_value(),
 168                ),
 169                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 170                args: vec![
 171                    "exec".to_owned(),
 172                    "--".to_owned(),
 173                    "mocha".to_owned(),
 174                    "--grep".to_owned(),
 175                    format!("\"{}\"", VariableName::Symbol.template_value()),
 176                    VariableName::File.template_value(),
 177                ],
 178                tags: vec![
 179                    "ts-test".to_owned(),
 180                    "js-test".to_owned(),
 181                    "tsx-test".to_owned(),
 182                ],
 183                cwd: Some(TYPESCRIPT_MOCHA_PACKAGE_PATH_VARIABLE.template_value()),
 184                ..TaskTemplate::default()
 185            });
 186        }
 187
 188        if self.jasmine_package_path.is_some() {
 189            task_templates.0.push(TaskTemplate {
 190                label: format!("{} file test", "jasmine".to_owned()),
 191                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 192                args: vec![
 193                    "exec".to_owned(),
 194                    "--".to_owned(),
 195                    "jasmine".to_owned(),
 196                    VariableName::File.template_value(),
 197                ],
 198                cwd: Some(TYPESCRIPT_JASMINE_PACKAGE_PATH_VARIABLE.template_value()),
 199                ..TaskTemplate::default()
 200            });
 201            task_templates.0.push(TaskTemplate {
 202                label: format!(
 203                    "{} test {}",
 204                    "jasmine".to_owned(),
 205                    VariableName::Symbol.template_value(),
 206                ),
 207                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 208                args: vec![
 209                    "exec".to_owned(),
 210                    "--".to_owned(),
 211                    "jasmine".to_owned(),
 212                    format!("--filter={}", VariableName::Symbol.template_value()),
 213                    VariableName::File.template_value(),
 214                ],
 215                tags: vec![
 216                    "ts-test".to_owned(),
 217                    "js-test".to_owned(),
 218                    "tsx-test".to_owned(),
 219                ],
 220                cwd: Some(TYPESCRIPT_JASMINE_PACKAGE_PATH_VARIABLE.template_value()),
 221                ..TaskTemplate::default()
 222            });
 223        }
 224
 225        let script_name_counts: HashMap<_, usize> =
 226            self.scripts
 227                .iter()
 228                .fold(HashMap::default(), |mut acc, (_, script)| {
 229                    *acc.entry(script).or_default() += 1;
 230                    acc
 231                });
 232        for (path, script) in &self.scripts {
 233            let label = if script_name_counts.get(script).copied().unwrap_or_default() > 1
 234                && let Some(parent) = path.parent().and_then(|parent| parent.file_name())
 235            {
 236                let parent = parent.to_string_lossy();
 237                format!("{parent}/package.json > {script}")
 238            } else {
 239                format!("package.json > {script}")
 240            };
 241            task_templates.0.push(TaskTemplate {
 242                label,
 243                command: TYPESCRIPT_RUNNER_VARIABLE.template_value(),
 244                args: vec!["run".to_owned(), script.to_owned()],
 245                tags: vec!["package-script".into()],
 246                cwd: Some(
 247                    path.parent()
 248                        .unwrap_or(Path::new("/"))
 249                        .to_string_lossy()
 250                        .to_string(),
 251                ),
 252                ..TaskTemplate::default()
 253            });
 254        }
 255    }
 256}
 257
 258impl TypeScriptContextProvider {
 259    pub fn new() -> Self {
 260        Self {
 261            last_package_json: PackageJsonContents::default(),
 262        }
 263    }
 264
 265    fn combined_package_json_data(
 266        &self,
 267        fs: Arc<dyn Fs>,
 268        worktree_root: &Path,
 269        file_relative_path: &Path,
 270        cx: &App,
 271    ) -> Task<anyhow::Result<PackageJsonData>> {
 272        let new_json_data = file_relative_path
 273            .ancestors()
 274            .map(|path| worktree_root.join(path))
 275            .map(|parent_path| {
 276                self.package_json_data(&parent_path, self.last_package_json.clone(), fs.clone(), cx)
 277            })
 278            .collect::<Vec<_>>();
 279
 280        cx.background_spawn(async move {
 281            let mut package_json_data = PackageJsonData::default();
 282            for new_data in join_all(new_json_data).await.into_iter().flatten() {
 283                package_json_data.merge(new_data);
 284            }
 285            Ok(package_json_data)
 286        })
 287    }
 288
 289    fn package_json_data(
 290        &self,
 291        directory_path: &Path,
 292        existing_package_json: PackageJsonContents,
 293        fs: Arc<dyn Fs>,
 294        cx: &App,
 295    ) -> Task<anyhow::Result<PackageJsonData>> {
 296        let package_json_path = directory_path.join("package.json");
 297        let metadata_check_fs = fs.clone();
 298        cx.background_spawn(async move {
 299            let metadata = metadata_check_fs
 300                .metadata(&package_json_path)
 301                .await
 302                .with_context(|| format!("getting metadata for {package_json_path:?}"))?
 303                .with_context(|| format!("missing FS metadata for {package_json_path:?}"))?;
 304            let mtime = DateTime::<Local>::from(metadata.mtime.timestamp_for_user());
 305            let existing_data = {
 306                let contents = existing_package_json.0.read().await;
 307                contents
 308                    .get(&package_json_path)
 309                    .filter(|package_json| package_json.mtime == mtime)
 310                    .map(|package_json| package_json.data.clone())
 311            };
 312            match existing_data {
 313                Some(existing_data) => Ok(existing_data),
 314                None => {
 315                    let package_json_string =
 316                        fs.load(&package_json_path).await.with_context(|| {
 317                            format!("loading package.json from {package_json_path:?}")
 318                        })?;
 319                    let package_json: HashMap<String, serde_json_lenient::Value> =
 320                        serde_json_lenient::from_str(&package_json_string).with_context(|| {
 321                            format!("parsing package.json from {package_json_path:?}")
 322                        })?;
 323                    let new_data =
 324                        PackageJsonData::new(package_json_path.as_path().into(), package_json);
 325                    {
 326                        let mut contents = existing_package_json.0.write().await;
 327                        contents.insert(
 328                            package_json_path,
 329                            PackageJson {
 330                                mtime,
 331                                data: new_data.clone(),
 332                            },
 333                        );
 334                    }
 335                    Ok(new_data)
 336                }
 337            }
 338        })
 339    }
 340}
 341
 342async fn detect_package_manager(
 343    worktree_root: PathBuf,
 344    fs: Arc<dyn Fs>,
 345    package_json_data: Option<PackageJsonData>,
 346) -> &'static str {
 347    if let Some(package_json_data) = package_json_data {
 348        if let Some(package_manager) = package_json_data.package_manager {
 349            return package_manager;
 350        }
 351    }
 352    if fs.is_file(&worktree_root.join("pnpm-lock.yaml")).await {
 353        return "pnpm";
 354    }
 355    if fs.is_file(&worktree_root.join("yarn.lock")).await {
 356        return "yarn";
 357    }
 358    "npm"
 359}
 360
 361impl ContextProvider for TypeScriptContextProvider {
 362    fn associated_tasks(
 363        &self,
 364        fs: Arc<dyn Fs>,
 365        file: Option<Arc<dyn File>>,
 366        cx: &App,
 367    ) -> Task<Option<TaskTemplates>> {
 368        let Some(file) = project::File::from_dyn(file.as_ref()).cloned() else {
 369            return Task::ready(None);
 370        };
 371        let Some(worktree_root) = file.worktree.read(cx).root_dir() else {
 372            return Task::ready(None);
 373        };
 374        let file_relative_path = file.path().clone();
 375        let package_json_data =
 376            self.combined_package_json_data(fs.clone(), &worktree_root, &file_relative_path, cx);
 377
 378        cx.background_spawn(async move {
 379            let mut task_templates = TaskTemplates(Vec::new());
 380            task_templates.0.push(TaskTemplate {
 381                label: format!(
 382                    "execute selection {}",
 383                    VariableName::SelectedText.template_value()
 384                ),
 385                command: "node".to_owned(),
 386                args: vec![
 387                    "-e".to_owned(),
 388                    format!("\"{}\"", VariableName::SelectedText.template_value()),
 389                ],
 390                ..TaskTemplate::default()
 391            });
 392
 393            match package_json_data.await {
 394                Ok(package_json) => {
 395                    package_json.fill_task_templates(&mut task_templates);
 396                }
 397                Err(e) => {
 398                    log::error!(
 399                        "Failed to read package.json for worktree {file_relative_path:?}: {e:#}"
 400                    );
 401                }
 402            }
 403
 404            Some(task_templates)
 405        })
 406    }
 407
 408    fn build_context(
 409        &self,
 410        current_vars: &task::TaskVariables,
 411        location: ContextLocation<'_>,
 412        _project_env: Option<HashMap<String, String>>,
 413        _toolchains: Arc<dyn LanguageToolchainStore>,
 414        cx: &mut App,
 415    ) -> Task<Result<task::TaskVariables>> {
 416        let mut vars = task::TaskVariables::default();
 417
 418        if let Some(symbol) = current_vars.get(&VariableName::Symbol) {
 419            vars.insert(
 420                TYPESCRIPT_JEST_TEST_NAME_VARIABLE,
 421                replace_test_name_parameters(symbol),
 422            );
 423            vars.insert(
 424                TYPESCRIPT_VITEST_TEST_NAME_VARIABLE,
 425                replace_test_name_parameters(symbol),
 426            );
 427        }
 428        let file_path = location
 429            .file_location
 430            .buffer
 431            .read(cx)
 432            .file()
 433            .map(|file| file.path());
 434
 435        let args = location.worktree_root.zip(location.fs).zip(file_path).map(
 436            |((worktree_root, fs), file_path)| {
 437                (
 438                    self.combined_package_json_data(fs.clone(), &worktree_root, file_path, cx),
 439                    worktree_root,
 440                    fs,
 441                )
 442            },
 443        );
 444        cx.background_spawn(async move {
 445            if let Some((task, worktree_root, fs)) = args {
 446                let package_json_data = task.await.log_err();
 447                vars.insert(
 448                    TYPESCRIPT_RUNNER_VARIABLE,
 449                    detect_package_manager(worktree_root, fs, package_json_data.clone())
 450                        .await
 451                        .to_owned(),
 452                );
 453
 454                if let Some(package_json_data) = package_json_data {
 455                    if let Some(path) = package_json_data.jest_package_path {
 456                        vars.insert(
 457                            TYPESCRIPT_JEST_PACKAGE_PATH_VARIABLE,
 458                            path.parent()
 459                                .unwrap_or(Path::new(""))
 460                                .to_string_lossy()
 461                                .to_string(),
 462                        );
 463                    }
 464
 465                    if let Some(path) = package_json_data.mocha_package_path {
 466                        vars.insert(
 467                            TYPESCRIPT_MOCHA_PACKAGE_PATH_VARIABLE,
 468                            path.parent()
 469                                .unwrap_or(Path::new(""))
 470                                .to_string_lossy()
 471                                .to_string(),
 472                        );
 473                    }
 474
 475                    if let Some(path) = package_json_data.vitest_package_path {
 476                        vars.insert(
 477                            TYPESCRIPT_VITEST_PACKAGE_PATH_VARIABLE,
 478                            path.parent()
 479                                .unwrap_or(Path::new(""))
 480                                .to_string_lossy()
 481                                .to_string(),
 482                        );
 483                    }
 484
 485                    if let Some(path) = package_json_data.jasmine_package_path {
 486                        vars.insert(
 487                            TYPESCRIPT_JASMINE_PACKAGE_PATH_VARIABLE,
 488                            path.parent()
 489                                .unwrap_or(Path::new(""))
 490                                .to_string_lossy()
 491                                .to_string(),
 492                        );
 493                    }
 494                }
 495            }
 496            Ok(vars)
 497        })
 498    }
 499}
 500
 501fn typescript_server_binary_arguments(server_path: &Path) -> Vec<OsString> {
 502    vec![server_path.into(), "--stdio".into()]
 503}
 504
 505fn eslint_server_binary_arguments(server_path: &Path) -> Vec<OsString> {
 506    vec![
 507        "--max-old-space-size=8192".into(),
 508        server_path.into(),
 509        "--stdio".into(),
 510    ]
 511}
 512
 513fn replace_test_name_parameters(test_name: &str) -> String {
 514    let pattern = regex::Regex::new(r"(%|\$)[0-9a-zA-Z]+").unwrap();
 515
 516    regex::escape(&pattern.replace_all(test_name, "(.+?)"))
 517}
 518
 519pub struct TypeScriptLspAdapter {
 520    node: NodeRuntime,
 521}
 522
 523impl TypeScriptLspAdapter {
 524    const OLD_SERVER_PATH: &'static str = "node_modules/typescript-language-server/lib/cli.js";
 525    const NEW_SERVER_PATH: &'static str = "node_modules/typescript-language-server/lib/cli.mjs";
 526    const SERVER_NAME: LanguageServerName =
 527        LanguageServerName::new_static("typescript-language-server");
 528    const PACKAGE_NAME: &str = "typescript";
 529    pub fn new(node: NodeRuntime) -> Self {
 530        TypeScriptLspAdapter { node }
 531    }
 532    async fn tsdk_path(fs: &dyn Fs, adapter: &Arc<dyn LspAdapterDelegate>) -> Option<&'static str> {
 533        let is_yarn = adapter
 534            .read_text_file(PathBuf::from(".yarn/sdks/typescript/lib/typescript.js"))
 535            .await
 536            .is_ok();
 537
 538        let tsdk_path = if is_yarn {
 539            ".yarn/sdks/typescript/lib"
 540        } else {
 541            "node_modules/typescript/lib"
 542        };
 543
 544        if fs
 545            .is_dir(&adapter.worktree_root_path().join(tsdk_path))
 546            .await
 547        {
 548            Some(tsdk_path)
 549        } else {
 550            None
 551        }
 552    }
 553}
 554
 555struct TypeScriptVersions {
 556    typescript_version: String,
 557    server_version: String,
 558}
 559
 560#[async_trait(?Send)]
 561impl LspAdapter for TypeScriptLspAdapter {
 562    fn name(&self) -> LanguageServerName {
 563        Self::SERVER_NAME.clone()
 564    }
 565
 566    async fn fetch_latest_server_version(
 567        &self,
 568        _: &dyn LspAdapterDelegate,
 569    ) -> Result<Box<dyn 'static + Send + Any>> {
 570        Ok(Box::new(TypeScriptVersions {
 571            typescript_version: self.node.npm_package_latest_version("typescript").await?,
 572            server_version: self
 573                .node
 574                .npm_package_latest_version("typescript-language-server")
 575                .await?,
 576        }) as Box<_>)
 577    }
 578
 579    async fn check_if_version_installed(
 580        &self,
 581        version: &(dyn 'static + Send + Any),
 582        container_dir: &PathBuf,
 583        _: &dyn LspAdapterDelegate,
 584    ) -> Option<LanguageServerBinary> {
 585        let version = version.downcast_ref::<TypeScriptVersions>().unwrap();
 586        let server_path = container_dir.join(Self::NEW_SERVER_PATH);
 587
 588        let should_install_language_server = self
 589            .node
 590            .should_install_npm_package(
 591                Self::PACKAGE_NAME,
 592                &server_path,
 593                &container_dir,
 594                version.typescript_version.as_str(),
 595            )
 596            .await;
 597
 598        if should_install_language_server {
 599            None
 600        } else {
 601            Some(LanguageServerBinary {
 602                path: self.node.binary_path().await.ok()?,
 603                env: None,
 604                arguments: typescript_server_binary_arguments(&server_path),
 605            })
 606        }
 607    }
 608
 609    async fn fetch_server_binary(
 610        &self,
 611        latest_version: Box<dyn 'static + Send + Any>,
 612        container_dir: PathBuf,
 613        _: &dyn LspAdapterDelegate,
 614    ) -> Result<LanguageServerBinary> {
 615        let latest_version = latest_version.downcast::<TypeScriptVersions>().unwrap();
 616        let server_path = container_dir.join(Self::NEW_SERVER_PATH);
 617
 618        self.node
 619            .npm_install_packages(
 620                &container_dir,
 621                &[
 622                    (
 623                        Self::PACKAGE_NAME,
 624                        latest_version.typescript_version.as_str(),
 625                    ),
 626                    (
 627                        "typescript-language-server",
 628                        latest_version.server_version.as_str(),
 629                    ),
 630                ],
 631            )
 632            .await?;
 633
 634        Ok(LanguageServerBinary {
 635            path: self.node.binary_path().await?,
 636            env: None,
 637            arguments: typescript_server_binary_arguments(&server_path),
 638        })
 639    }
 640
 641    async fn cached_server_binary(
 642        &self,
 643        container_dir: PathBuf,
 644        _: &dyn LspAdapterDelegate,
 645    ) -> Option<LanguageServerBinary> {
 646        get_cached_ts_server_binary(container_dir, &self.node).await
 647    }
 648
 649    fn code_action_kinds(&self) -> Option<Vec<CodeActionKind>> {
 650        Some(vec![
 651            CodeActionKind::QUICKFIX,
 652            CodeActionKind::REFACTOR,
 653            CodeActionKind::REFACTOR_EXTRACT,
 654            CodeActionKind::SOURCE,
 655        ])
 656    }
 657
 658    async fn label_for_completion(
 659        &self,
 660        item: &lsp::CompletionItem,
 661        language: &Arc<language::Language>,
 662    ) -> Option<language::CodeLabel> {
 663        use lsp::CompletionItemKind as Kind;
 664        let len = item.label.len();
 665        let grammar = language.grammar()?;
 666        let highlight_id = match item.kind? {
 667            Kind::CLASS | Kind::INTERFACE | Kind::ENUM => grammar.highlight_id_for_name("type"),
 668            Kind::CONSTRUCTOR => grammar.highlight_id_for_name("type"),
 669            Kind::CONSTANT => grammar.highlight_id_for_name("constant"),
 670            Kind::FUNCTION | Kind::METHOD => grammar.highlight_id_for_name("function"),
 671            Kind::PROPERTY | Kind::FIELD => grammar.highlight_id_for_name("property"),
 672            Kind::VARIABLE => grammar.highlight_id_for_name("variable"),
 673            _ => None,
 674        }?;
 675
 676        let text = if let Some(description) = item
 677            .label_details
 678            .as_ref()
 679            .and_then(|label_details| label_details.description.as_ref())
 680        {
 681            format!("{} {}", item.label, description)
 682        } else if let Some(detail) = &item.detail {
 683            format!("{} {}", item.label, detail)
 684        } else {
 685            item.label.clone()
 686        };
 687        let filter_range = item
 688            .filter_text
 689            .as_deref()
 690            .and_then(|filter| text.find(filter).map(|ix| ix..ix + filter.len()))
 691            .unwrap_or(0..len);
 692        Some(language::CodeLabel {
 693            text,
 694            runs: vec![(0..len, highlight_id)],
 695            filter_range,
 696        })
 697    }
 698
 699    async fn initialization_options(
 700        self: Arc<Self>,
 701        fs: &dyn Fs,
 702        adapter: &Arc<dyn LspAdapterDelegate>,
 703    ) -> Result<Option<serde_json::Value>> {
 704        let tsdk_path = Self::tsdk_path(fs, adapter).await;
 705        Ok(Some(json!({
 706            "provideFormatter": true,
 707            "hostInfo": "zed",
 708            "tsserver": {
 709                "path": tsdk_path,
 710            },
 711            "preferences": {
 712                "includeInlayParameterNameHints": "all",
 713                "includeInlayParameterNameHintsWhenArgumentMatchesName": true,
 714                "includeInlayFunctionParameterTypeHints": true,
 715                "includeInlayVariableTypeHints": true,
 716                "includeInlayVariableTypeHintsWhenTypeMatchesName": true,
 717                "includeInlayPropertyDeclarationTypeHints": true,
 718                "includeInlayFunctionLikeReturnTypeHints": true,
 719                "includeInlayEnumMemberValueHints": true,
 720            }
 721        })))
 722    }
 723
 724    async fn workspace_configuration(
 725        self: Arc<Self>,
 726        _: &dyn Fs,
 727        delegate: &Arc<dyn LspAdapterDelegate>,
 728        _: Arc<dyn LanguageToolchainStore>,
 729        cx: &mut AsyncApp,
 730    ) -> Result<Value> {
 731        let override_options = cx.update(|cx| {
 732            language_server_settings(delegate.as_ref(), &Self::SERVER_NAME, cx)
 733                .and_then(|s| s.settings.clone())
 734        })?;
 735        if let Some(options) = override_options {
 736            return Ok(options);
 737        }
 738        Ok(json!({
 739            "completions": {
 740              "completeFunctionCalls": true
 741            }
 742        }))
 743    }
 744
 745    fn language_ids(&self) -> HashMap<LanguageName, String> {
 746        HashMap::from_iter([
 747            (LanguageName::new("TypeScript"), "typescript".into()),
 748            (LanguageName::new("JavaScript"), "javascript".into()),
 749            (LanguageName::new("TSX"), "typescriptreact".into()),
 750        ])
 751    }
 752}
 753
 754async fn get_cached_ts_server_binary(
 755    container_dir: PathBuf,
 756    node: &NodeRuntime,
 757) -> Option<LanguageServerBinary> {
 758    maybe!(async {
 759        let old_server_path = container_dir.join(TypeScriptLspAdapter::OLD_SERVER_PATH);
 760        let new_server_path = container_dir.join(TypeScriptLspAdapter::NEW_SERVER_PATH);
 761        if new_server_path.exists() {
 762            Ok(LanguageServerBinary {
 763                path: node.binary_path().await?,
 764                env: None,
 765                arguments: typescript_server_binary_arguments(&new_server_path),
 766            })
 767        } else if old_server_path.exists() {
 768            Ok(LanguageServerBinary {
 769                path: node.binary_path().await?,
 770                env: None,
 771                arguments: typescript_server_binary_arguments(&old_server_path),
 772            })
 773        } else {
 774            anyhow::bail!("missing executable in directory {container_dir:?}")
 775        }
 776    })
 777    .await
 778    .log_err()
 779}
 780
 781pub struct EsLintLspAdapter {
 782    node: NodeRuntime,
 783}
 784
 785impl EsLintLspAdapter {
 786    const CURRENT_VERSION: &'static str = "2.4.4";
 787    const CURRENT_VERSION_TAG_NAME: &'static str = "release/2.4.4";
 788
 789    #[cfg(not(windows))]
 790    const GITHUB_ASSET_KIND: AssetKind = AssetKind::TarGz;
 791    #[cfg(windows)]
 792    const GITHUB_ASSET_KIND: AssetKind = AssetKind::Zip;
 793
 794    const SERVER_PATH: &'static str = "vscode-eslint/server/out/eslintServer.js";
 795    const SERVER_NAME: LanguageServerName = LanguageServerName::new_static("eslint");
 796
 797    const FLAT_CONFIG_FILE_NAMES: &'static [&'static str] = &[
 798        "eslint.config.js",
 799        "eslint.config.mjs",
 800        "eslint.config.cjs",
 801        "eslint.config.ts",
 802        "eslint.config.cts",
 803        "eslint.config.mts",
 804    ];
 805
 806    pub fn new(node: NodeRuntime) -> Self {
 807        EsLintLspAdapter { node }
 808    }
 809
 810    fn build_destination_path(container_dir: &Path) -> PathBuf {
 811        container_dir.join(format!("vscode-eslint-{}", Self::CURRENT_VERSION))
 812    }
 813}
 814
 815#[async_trait(?Send)]
 816impl LspAdapter for EsLintLspAdapter {
 817    fn code_action_kinds(&self) -> Option<Vec<CodeActionKind>> {
 818        Some(vec![
 819            CodeActionKind::QUICKFIX,
 820            CodeActionKind::new("source.fixAll.eslint"),
 821        ])
 822    }
 823
 824    async fn workspace_configuration(
 825        self: Arc<Self>,
 826        _: &dyn Fs,
 827        delegate: &Arc<dyn LspAdapterDelegate>,
 828        _: Arc<dyn LanguageToolchainStore>,
 829        cx: &mut AsyncApp,
 830    ) -> Result<Value> {
 831        let workspace_root = delegate.worktree_root_path();
 832        let use_flat_config = Self::FLAT_CONFIG_FILE_NAMES
 833            .iter()
 834            .any(|file| workspace_root.join(file).is_file());
 835
 836        let mut default_workspace_configuration = json!({
 837            "validate": "on",
 838            "rulesCustomizations": [],
 839            "run": "onType",
 840            "nodePath": null,
 841            "workingDirectory": {
 842                "mode": "auto"
 843            },
 844            "workspaceFolder": {
 845                "uri": workspace_root,
 846                "name": workspace_root.file_name()
 847                    .unwrap_or(workspace_root.as_os_str())
 848                    .to_string_lossy(),
 849            },
 850            "problems": {},
 851            "codeActionOnSave": {
 852                // We enable this, but without also configuring code_actions_on_format
 853                // in the Zed configuration, it doesn't have an effect.
 854                "enable": true,
 855            },
 856            "codeAction": {
 857                "disableRuleComment": {
 858                    "enable": true,
 859                    "location": "separateLine",
 860                },
 861                "showDocumentation": {
 862                    "enable": true
 863                }
 864            },
 865            "experimental": {
 866                "useFlatConfig": use_flat_config,
 867            }
 868        });
 869
 870        let override_options = cx.update(|cx| {
 871            language_server_settings(delegate.as_ref(), &Self::SERVER_NAME, cx)
 872                .and_then(|s| s.settings.clone())
 873        })?;
 874
 875        if let Some(override_options) = override_options {
 876            merge_json_value_into(override_options, &mut default_workspace_configuration);
 877        }
 878
 879        Ok(json!({
 880            "": default_workspace_configuration
 881        }))
 882    }
 883
 884    fn name(&self) -> LanguageServerName {
 885        Self::SERVER_NAME.clone()
 886    }
 887
 888    async fn fetch_latest_server_version(
 889        &self,
 890        _delegate: &dyn LspAdapterDelegate,
 891    ) -> Result<Box<dyn 'static + Send + Any>> {
 892        let url = build_asset_url(
 893            "zed-industries/vscode-eslint",
 894            Self::CURRENT_VERSION_TAG_NAME,
 895            Self::GITHUB_ASSET_KIND,
 896        )?;
 897
 898        Ok(Box::new(GitHubLspBinaryVersion {
 899            name: Self::CURRENT_VERSION.into(),
 900            url,
 901        }))
 902    }
 903
 904    async fn fetch_server_binary(
 905        &self,
 906        version: Box<dyn 'static + Send + Any>,
 907        container_dir: PathBuf,
 908        delegate: &dyn LspAdapterDelegate,
 909    ) -> Result<LanguageServerBinary> {
 910        let version = version.downcast::<GitHubLspBinaryVersion>().unwrap();
 911        let destination_path = Self::build_destination_path(&container_dir);
 912        let server_path = destination_path.join(Self::SERVER_PATH);
 913
 914        if fs::metadata(&server_path).await.is_err() {
 915            remove_matching(&container_dir, |entry| entry != destination_path).await;
 916
 917            let mut response = delegate
 918                .http_client()
 919                .get(&version.url, Default::default(), true)
 920                .await
 921                .context("downloading release")?;
 922            match Self::GITHUB_ASSET_KIND {
 923                AssetKind::TarGz => {
 924                    let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
 925                    let archive = Archive::new(decompressed_bytes);
 926                    archive.unpack(&destination_path).await.with_context(|| {
 927                        format!("extracting {} to {:?}", version.url, destination_path)
 928                    })?;
 929                }
 930                AssetKind::Gz => {
 931                    let mut decompressed_bytes =
 932                        GzipDecoder::new(BufReader::new(response.body_mut()));
 933                    let mut file =
 934                        fs::File::create(&destination_path).await.with_context(|| {
 935                            format!(
 936                                "creating a file {:?} for a download from {}",
 937                                destination_path, version.url,
 938                            )
 939                        })?;
 940                    futures::io::copy(&mut decompressed_bytes, &mut file)
 941                        .await
 942                        .with_context(|| {
 943                            format!("extracting {} to {:?}", version.url, destination_path)
 944                        })?;
 945                }
 946                AssetKind::Zip => {
 947                    extract_zip(&destination_path, response.body_mut())
 948                        .await
 949                        .with_context(|| {
 950                            format!("unzipping {} to {:?}", version.url, destination_path)
 951                        })?;
 952                }
 953            }
 954
 955            let mut dir = fs::read_dir(&destination_path).await?;
 956            let first = dir.next().await.context("missing first file")??;
 957            let repo_root = destination_path.join("vscode-eslint");
 958            fs::rename(first.path(), &repo_root).await?;
 959
 960            #[cfg(target_os = "windows")]
 961            {
 962                handle_symlink(
 963                    repo_root.join("$shared"),
 964                    repo_root.join("client").join("src").join("shared"),
 965                )
 966                .await?;
 967                handle_symlink(
 968                    repo_root.join("$shared"),
 969                    repo_root.join("server").join("src").join("shared"),
 970                )
 971                .await?;
 972            }
 973
 974            self.node
 975                .run_npm_subcommand(&repo_root, "install", &[])
 976                .await?;
 977
 978            self.node
 979                .run_npm_subcommand(&repo_root, "run-script", &["compile"])
 980                .await?;
 981        }
 982
 983        Ok(LanguageServerBinary {
 984            path: self.node.binary_path().await?,
 985            env: None,
 986            arguments: eslint_server_binary_arguments(&server_path),
 987        })
 988    }
 989
 990    async fn cached_server_binary(
 991        &self,
 992        container_dir: PathBuf,
 993        _: &dyn LspAdapterDelegate,
 994    ) -> Option<LanguageServerBinary> {
 995        let server_path =
 996            Self::build_destination_path(&container_dir).join(EsLintLspAdapter::SERVER_PATH);
 997        Some(LanguageServerBinary {
 998            path: self.node.binary_path().await.ok()?,
 999            env: None,
1000            arguments: eslint_server_binary_arguments(&server_path),
1001        })
1002    }
1003}
1004
1005#[cfg(target_os = "windows")]
1006async fn handle_symlink(src_dir: PathBuf, dest_dir: PathBuf) -> Result<()> {
1007    anyhow::ensure!(
1008        fs::metadata(&src_dir).await.is_ok(),
1009        "Directory {src_dir:?} is not present"
1010    );
1011    if fs::metadata(&dest_dir).await.is_ok() {
1012        fs::remove_file(&dest_dir).await?;
1013    }
1014    fs::create_dir_all(&dest_dir).await?;
1015    let mut entries = fs::read_dir(&src_dir).await?;
1016    while let Some(entry) = entries.try_next().await? {
1017        let entry_path = entry.path();
1018        let entry_name = entry.file_name();
1019        let dest_path = dest_dir.join(&entry_name);
1020        fs::copy(&entry_path, &dest_path).await?;
1021    }
1022    Ok(())
1023}
1024
1025#[cfg(test)]
1026mod tests {
1027    use std::path::Path;
1028
1029    use gpui::{AppContext as _, BackgroundExecutor, TestAppContext};
1030    use language::language_settings;
1031    use project::{FakeFs, Project};
1032    use serde_json::json;
1033    use task::TaskTemplates;
1034    use unindent::Unindent;
1035    use util::path;
1036
1037    use crate::typescript::{PackageJsonData, TypeScriptContextProvider};
1038
1039    #[gpui::test]
1040    async fn test_outline(cx: &mut TestAppContext) {
1041        let language = crate::language(
1042            "typescript",
1043            tree_sitter_typescript::LANGUAGE_TYPESCRIPT.into(),
1044        );
1045
1046        let text = r#"
1047            function a() {
1048              // local variables are omitted
1049              let a1 = 1;
1050              // all functions are included
1051              async function a2() {}
1052            }
1053            // top-level variables are included
1054            let b: C
1055            function getB() {}
1056            // exported variables are included
1057            export const d = e;
1058        "#
1059        .unindent();
1060
1061        let buffer = cx.new(|cx| language::Buffer::local(text, cx).with_language(language, cx));
1062        let outline = buffer.read_with(cx, |buffer, _| buffer.snapshot().outline(None).unwrap());
1063        assert_eq!(
1064            outline
1065                .items
1066                .iter()
1067                .map(|item| (item.text.as_str(), item.depth))
1068                .collect::<Vec<_>>(),
1069            &[
1070                ("function a()", 0),
1071                ("async function a2()", 1),
1072                ("let b", 0),
1073                ("function getB()", 0),
1074                ("const d", 0),
1075            ]
1076        );
1077    }
1078
1079    #[gpui::test]
1080    async fn test_generator_function_outline(cx: &mut TestAppContext) {
1081        let language = crate::language("javascript", tree_sitter_typescript::LANGUAGE_TSX.into());
1082
1083        let text = r#"
1084            function normalFunction() {
1085                console.log("normal");
1086            }
1087
1088            function* simpleGenerator() {
1089                yield 1;
1090                yield 2;
1091            }
1092
1093            async function* asyncGenerator() {
1094                yield await Promise.resolve(1);
1095            }
1096
1097            function* generatorWithParams(start, end) {
1098                for (let i = start; i <= end; i++) {
1099                    yield i;
1100                }
1101            }
1102
1103            class TestClass {
1104                *methodGenerator() {
1105                    yield "method";
1106                }
1107
1108                async *asyncMethodGenerator() {
1109                    yield "async method";
1110                }
1111            }
1112        "#
1113        .unindent();
1114
1115        let buffer = cx.new(|cx| language::Buffer::local(text, cx).with_language(language, cx));
1116        let outline = buffer.read_with(cx, |buffer, _| buffer.snapshot().outline(None).unwrap());
1117        assert_eq!(
1118            outline
1119                .items
1120                .iter()
1121                .map(|item| (item.text.as_str(), item.depth))
1122                .collect::<Vec<_>>(),
1123            &[
1124                ("function normalFunction()", 0),
1125                ("function* simpleGenerator()", 0),
1126                ("async function* asyncGenerator()", 0),
1127                ("function* generatorWithParams( )", 0),
1128                ("class TestClass", 0),
1129                ("*methodGenerator()", 1),
1130                ("async *asyncMethodGenerator()", 1),
1131            ]
1132        );
1133    }
1134
1135    #[gpui::test]
1136    async fn test_package_json_discovery(executor: BackgroundExecutor, cx: &mut TestAppContext) {
1137        cx.update(|cx| {
1138            settings::init(cx);
1139            Project::init_settings(cx);
1140            language_settings::init(cx);
1141        });
1142
1143        let package_json_1 = json!({
1144            "dependencies": {
1145                "mocha": "1.0.0",
1146                "vitest": "1.0.0"
1147            },
1148            "scripts": {
1149                "test": ""
1150            }
1151        })
1152        .to_string();
1153
1154        let package_json_2 = json!({
1155            "devDependencies": {
1156                "vitest": "2.0.0"
1157            },
1158            "scripts": {
1159                "test": ""
1160            }
1161        })
1162        .to_string();
1163
1164        let fs = FakeFs::new(executor);
1165        fs.insert_tree(
1166            path!("/root"),
1167            json!({
1168                "package.json": package_json_1,
1169                "sub": {
1170                    "package.json": package_json_2,
1171                    "file.js": "",
1172                }
1173            }),
1174        )
1175        .await;
1176
1177        let provider = TypeScriptContextProvider::new();
1178        let package_json_data = cx
1179            .update(|cx| {
1180                provider.combined_package_json_data(
1181                    fs.clone(),
1182                    path!("/root").as_ref(),
1183                    "sub/file1.js".as_ref(),
1184                    cx,
1185                )
1186            })
1187            .await
1188            .unwrap();
1189        pretty_assertions::assert_eq!(
1190            package_json_data,
1191            PackageJsonData {
1192                jest_package_path: None,
1193                mocha_package_path: Some(Path::new(path!("/root/package.json")).into()),
1194                vitest_package_path: Some(Path::new(path!("/root/sub/package.json")).into()),
1195                jasmine_package_path: None,
1196                scripts: [
1197                    (
1198                        Path::new(path!("/root/package.json")).into(),
1199                        "test".to_owned()
1200                    ),
1201                    (
1202                        Path::new(path!("/root/sub/package.json")).into(),
1203                        "test".to_owned()
1204                    )
1205                ]
1206                .into_iter()
1207                .collect(),
1208                package_manager: None,
1209            }
1210        );
1211
1212        let mut task_templates = TaskTemplates::default();
1213        package_json_data.fill_task_templates(&mut task_templates);
1214        let task_templates = task_templates
1215            .0
1216            .into_iter()
1217            .map(|template| (template.label, template.cwd))
1218            .collect::<Vec<_>>();
1219        pretty_assertions::assert_eq!(
1220            task_templates,
1221            [
1222                (
1223                    "vitest file test".into(),
1224                    Some("$ZED_CUSTOM_TYPESCRIPT_VITEST_PACKAGE_PATH".into()),
1225                ),
1226                (
1227                    "vitest test $ZED_SYMBOL".into(),
1228                    Some("$ZED_CUSTOM_TYPESCRIPT_VITEST_PACKAGE_PATH".into()),
1229                ),
1230                (
1231                    "mocha file test".into(),
1232                    Some("$ZED_CUSTOM_TYPESCRIPT_MOCHA_PACKAGE_PATH".into()),
1233                ),
1234                (
1235                    "mocha test $ZED_SYMBOL".into(),
1236                    Some("$ZED_CUSTOM_TYPESCRIPT_MOCHA_PACKAGE_PATH".into()),
1237                ),
1238                (
1239                    "root/package.json > test".into(),
1240                    Some(path!("/root").into())
1241                ),
1242                (
1243                    "sub/package.json > test".into(),
1244                    Some(path!("/root/sub").into())
1245                ),
1246            ]
1247        );
1248    }
1249}